
public class Test {
    public static void main(String[] args) {
        BinaryTree binaryTree = new BinaryTree();
        BinaryTree.TreeNode root = binaryTree.createTree();
        System.out.println("========前序遍历=========");
        binaryTree.preOrder(root);
        System.out.println();
        System.out.println("========中序遍历=========");
        binaryTree.inOrder(root);
        System.out.println();
        System.out.println("========后续遍历=========");
        binaryTree.postOrder(root);
        System.out.println();

        binaryTree.size(root);
        System.out.println("节点的个数:"+binaryTree.size2(root));

        System.out.println("============");
        binaryTree.getLeafNodeCount(root);
        System.out.println("叶子节点个数："+binaryTree.getLeafNodeCount2(root));

        System.out.println("==============");
        binaryTree.getHeight(root);
        System.out.println("二叉树的高度为："+binaryTree.getHeight(root));
    }
}
